noun
EXAMPLES FROM CORPUS
▪
He was still suffering from blackheads and other rash problems which jolted his vanity every time he looked in the mirror.
▪
I wondered if he knew he had a blackhead .
▪
Some cleansers help loosen simple blackheads, but are unsuitable for whiteheads, inflamed pimples or cysts.
▪
They contain, rather like a blackhead , a plug of material which can be expressed if the lesion is squeezed.